After learning a second language, Tom began to second guess prepositions in his own tongue.

Every preposition has a definite, fixed meaning, but if we have to use some kind of preposition and the sense doesn't tell us what kind of preposition we should use, then we use the preposition "je", which has no specific meaning.

Objects of the preposition are always a what?

Russian has six cases: nominative, genitive, dative, accusative, instrumental, and prepositional.

Some verbs have a fixed preposition.

Misuse of prepositions can make a situation hilarious.

The antique casual latin system has evolved to make greater use of prepositions in romantic languages.

Tom was severely beaten by his editor for ending a sentence with a preposition.

Ironically, that old grammar rule that says "never end a sentence with a preposition" does just that!

Nouns, pronouns, verbs, adjectives, adverbs, articles, prepositions, conjunctions, and interjections are the parts of speech in English.